A.R.T. Advisors’s American Superconductor AMSC Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2019 Q2	–	Sell	-34,107	Closed	-$439K	–	1328
2019 Q1	$439K	Buy	+34,107	New	+$439K	0.03%	792
2016 Q3	–	Sell	-12,387	Closed	-$104K	–	649
2016 Q2	$104K	Buy	+12,387	New	+$104K	0.01%	1200